ọdịnaya
Iji chọpụta pasent nke abụba n'ime ahụ, enwere usoro dị mfe iji tụọ oke abụba na afọ (na 10cm n'aka nri nke otubo, n'otu elu). Ọtụtụ mgbe iji tụọ folds na-eji ngwaọrụ pụrụ iche - onye caliper, na a na-akpọ usoro ahụ calipatria. The caliper bụ n'ezie na ot forceps na-ekpuchi ya na onye na-achị. Iji dochie ngwaọrụ a ọ ga-ekwe omume na calipers omenala, ma ọ bụ ọbụna wrench 🙂
Ya mere, chọta isi ihe dị n'aka nri nke eriri nwa, tụọ ọkpụrụkpụ nke folds na ebe a (na millimeters). Mgbe ahụ, jiri tebụl na-esonụ gbakọọ pasent abụba dị n'ahụ anyị.
Tebụlụ iji gbakọọ pasentị abụba site na ọkpụrụkpụ nke mpịachi ụmụ nwoke:
| Pasent abụba: | 18-20 afọ | 21-25 afọ | 26-30 afọ | 31-35 afọ | 36-40 afọ | 41-45 afọ | 46-50 afọ | 51-55 afọ | 56 afọ na okenye |
| 2-3% | 2.0 mm | 2.5 mm | 3.5 mm | 4.5 mm | 5.6 mm | 6.7 mm | 7.7 mm | 8.8 mm | 9.9 mm |
| 4-5% | 3.9 mm | 4.9 mm | 6.0 mm | 7.1 mm | 8.1 mm | 9.2 mm | 10.2 mm | 11.3 mm | 12.4 mm |
| 6-7% | 6.2 mm | 7.3 mm | 8.4 mm | 9.4 mm | 10.5 mm | 11.5 mm | 12.6 mm | 13.7 mm | 14.7 mm |
| 8-9% | 8.5 mm | 9.5 mm | 10.6 mm | 11.7 mm | 12.7 mm | 13.8 mm | 14.8 mm | 15.9 mm | 17.0 mm |
| 10-11% | 10.5 mm | 11.6 mm | 12.7 mm | 13.7 mm | 14.8 mm | 15.9 mm | 16.9 mm | 18.0 mm | 19.1 mm |
| 12-13% | 12.5 mm | 13.4 mm | 14.6 mm | 15.7 mm | 16.8 mm | 17.8 mm | 18.9 mm | 20.0 mm | 21.0 mm |
| 14-15% | 14.3 mm | 15.4 mm | 16.4 mm | 17.5 mm | 18.6 mm | 19.6 mm | 20.7 mm | 21.8 mm | 22.8 mm |
| 16-17% | 16.0 mm | 17.0 mm | 18.1 mm | 19.2 mm | 20.2 mm | 21.3 mm | 22.4 mm | 23.4 mm | 24.5 mm |
| 18-19% | 17.5 mm | 18.6 mm | 19.6 mm | 20.7 mm | 21.8 mm | 22.8 mm | 23.9 mm | 25.0 mm | 26.0 mm |
| 20-21% | 18.9 mm | 20.0 mm | 21.0 mm | 22.1 mm | 23.2 mm | 24.7 mm | 25.3 mm | 26.4 mm | 27.4 mm |
| 22-23% | 20.2 mm | 21.2 mm | 22.3 mm | 23.4 mm | 24.4 mm | 25.5 mm | 26.6 mm | 27.6 mm | 28.7 mm |
| 24-25% | 21.3 mm | 22.3 mm | 23.4 mm | 24.5 mm | 25.6 mm | 26.6 mm | 27.7 mm | 28.7 mm | 29.8 mm |
| 26-27% | 22.3 mm | 23.3 mm | 24.4 mm | 25.5 mm | 26.5 mm | 27.6 mm | 28.7 mm | 29.7 mm | 30.8 mm |
Tebụlụ iji gbakọọ pasentị abụba site na ọkpụrụkpụ nke mpịaji n'ime ụmụ nwanyị:
| Pasent abụba: | 18-20 afọ | 21-25 afọ | 26-30 afọ | 31-35 afọ | 36-40 afọ | 41-45 afọ | 46-50 afọ | 51-55 afọ | 56 afọ na okenye |
| 2-3% | 11.3 mm | 11.9 mm | 12.5 mm | 13.2 mm | 13.8 mm | 14.4 mm | 15.0 mm | 15.6 mm | 16.3 mm |
| 4-5% | 13.5 mm | 14.2 mm | 14.8 mm | 15.4 mm | 16.0 mm | 16.7 mm | 17.3 mm | 17.9 mm | 18.5 mm |
| 6-7% | 15.7 mm | 16.3 mm | 16.9 mm | 17.6 mm | 18.2 mm | 18.8 mm | 19.4 mm | 20.0 mm | 20.7 mm |
| 8-9% | 17.7 mm | 18.4 mm | 19.0 mm | 19.6 mm | 20.2 mm | 20.8 mm | 21.5 mm | 22.1 mm | 22.7 mm |
| 10-11% | 19.7 mm | 20.3 mm | 20.9 mm | 21.5 mm | 22.2 mm | 22.8 mm | 23.4 mm | 24.0 mm | 24.6 mm |
| 12-13% | 21.5 mm | 22.1 mm | 22.7 mm | 23.4 mm | 24.0 mm | 24.6 mm | 25.2 mm | 25.9 mm | 26.5 mm |
| 14-15% | 23.2 mm | 23.8 mm | 24.5 mm | 25.1 mm | 25.7 mm | 26.3 mm | 26.9 mm | 27.6 mm | 28.2 mm |
| 16-17% | 24.8 mm | 25.5 mm | 26.1 mm | 26.7 mm | 27.3 mm | 27.9 mm | 28.6 mm | 29.2 mm | 29.8 mm |
| 18-19% | 26.3 mm | 27.0 mm | 27.6 mm | 28.2 mm | 28.8 mm | 29.4 mm | 30.1 mm | 30.7 mm | 31.3 mm |
| 20-21% | 27.7 mm | 28.4 mm | 29.0 mm | 29.6 mm | 30.2 mm | 30.8 mm | 31.5 mm | 32.1 mm | 32.7 mm |
| 22-23% | 29.0 mm | 29.6 mm | 30.3 mm | 30.9 mm | 31.5 mm | 32.1 mm | 32.8 mm | 33.4 mm | 34.0 mm |
| 24-25% | 30.2 mm | 30.8 mm | 31.5 mm | 32.1 mm | 32.7 mm | 33.3 mm | 34.0 mm | 34.6 mm | 35.2 mm |
| 26-27% | 31.3 mm | 31.9 mm | 32.5 mm | 33.2 mm | 33.8 mm | 34.4 mm | 35.0 mm | 35.6 mm | 36.3 mm |